null device 1 One Sample t-test data: Rmean t = 439.85, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 22.45707 22.65877 sample estimates: mean of x 22.55792 null device 1 One-sample Kolmogorov-Smirnov test data: Rmean D = 1, p-value < 2.2e-16 alternative hypothesis: two-sided Shapiro-Wilk normality test data: Rmean W = 0.91193, p-value = 8.75e-14 $stats 32 6 265 199 231 20.71250 21.63529 22.85378 23.41176 24.02353 $n [1] 366 $conf [1] 22.70707 23.00050 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 439.85, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 22.45707 22.65877 sample estimates: mean of x 22.55792 null device 1